ISO 20934:2019 pdf free
ISO 20934:2019 pdf free.Road vehicles一Fuse-links with axial terminals for use in 48V networks一Types SF36-70V, SF51-70V and SF56-70V
This document specifies fuse-inks with axial terminals (Strip fuse-links) Types SF36-70V, SF51-70V and SF56-70V used in road vehicles. It establishes, for these fuse-link types, the rated current, test procedures, performance requirements, and dimensions.
This document is applicable to fuse-inks with a rated voltage of 70 V DC, a rated current of 30 A to 500 A, and a breaking capacity of 2500 A intended for use in the electrical system of road vehicles with a nominal voltage of 48 V DC.
This document is intended to be used in conjunction with ISO 8820-1 and with ISO 8820-2. The numbering of its clauses corresponds to that of ISO 8820-1, whose requirements are applicable, except where modified by requirements particular to this document.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 6722-1, Road vehicles一60 V and 600 V single-core cables一Part 1: Dimensions, test methods and requirements for copper conductor cables
ISO 8820-1:2014, Road vehicles一Fuse-links一Part 1: Definitions and general test requirements
ISO 16750-3:2012, Road vehicles 一Environmental conditions and testing for electrical and electronic equipment一Part 3: Mechanical loads
ISO 16750-5:2010, Road vehicles 一Environmental conditions and testing for electrical and electronic equipment一Part 5: Chemical loads
IEC 60068-2-14:2009, Environmental testing一Part 2-14: Tests一Test N: Change of temperature For the purposes of this document, the terms and definitions given in ISO 8820-1 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
一ISO Online browsing platform: available at https://www.iso.org/obp
一IEC Electropedia: available at http://www.electropedia.org/
See ISO 8820-1 and the following:
一Install the fuse-link in the test fixture with a torque of 9 Nm±1 Nm for M6 bolts and a torque of 20 Nm±1 Nm for M8 bolts. For a method to conduct retightening torque and setting behaviour, see Annex A.
一The bolt- down fuse-link validation shall apply to the clinchable version.
一If clinchable fuse-links need to be tested on the test fixtures shown in Figures 10, 11, or 12 for the tests, then a hole should be produced into the clinch-terminal to fit the bolt-down test fixture.ISO 20934 pdf free download.
